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Numpy 便利なメソッド一覧

Python
numpy

Posted at 2020-11-09

配列の累計和を算出する

import numpy as np

y = [0, 1, 2, 3, 4, 5]

np.cumsum(y) # 累計和がndarrayで出力される
# [ 0  1  3  6 10 15]

np.cumsum(y).tolist() # リストにもできる
# [0, 1, 3, 6, 10, 15]

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